PD-20557 rev. B 11/99 72CPQ030 SCHOTTKY RECTIFIER 70 Amp TO-247AC Major Ratings and Characteristics Description/Features The 72CPQ030 center tap Schottky rectifier series has been Characteristics 72CPQ030 Units optimized for low reverse leakage at high temperature. The proprietary barrier technology allows for reliable operation up to 150 C junction temperature. Typical applications are in I Rectangular 70 A F(AV) switching power supplies, converters, free-wheeling diodes, waveform and reverse battery protection. V 30 V 150 C T operation RRM J Center tap TO-247 package I tp = 5 s sine 2180 A FSM High purity, high temperature epoxy encapsulation for enhanced mechanical strength and moisture resistance V 35 Apk, T = 125C 0.43 V Low forward voltage drop F J (per leg) High frequency operation Guard ring for enhanced ruggedness and long term T range - 55 to 150 C J reliability 3. 65 ( 0 . 14 4) 5. 30 ( 0 .2 0 9) 15 .9 0 ( 0 .626) DIA. 3. 55 (0 .139) 4.70 ( 0.1 85) 15 .3 0 ( 0 .602) 2. 5 ( 0 .0 9 8) 1.5 ( 0 .0 59 ) 5. 70 ( 0 . 22 5) 5.30 (0 .208) 2 0 . 30 ( 0 .8 00 ) BASE COMMON 1 9 . 70 ( 0 .7 75 ) 5.50 ( 0 .217) CATHODE 2 4. 50 (0 .177) ( 2 PL C S .) 12 3 123 ANODE COMMON ANODE 14. 80 ( 0. 583) CATHODE 12 4. 30 (0 .170) 14.20 ( 0 . 559) 3. 70 ( 0 .145) 2. 20 (0 .0 8 7) 2. 40 ( 0 .095) 1. 40 ( 0 .056) MAX. MAX . 1. 00 ( 0 .039) 0.80 ( 0.032) 0. 40 (0 .2 1 3) 1 0 . 94 ( 0 .4 30 ) 1 0 . 86 ( 0 .4 27 ) Conform to JEDEC outline TO-247AC (TO-3P) Dimensions in millimeters and inches www.irf.com 172CPQ030 PD-20557 rev. B 11/99 Voltage Ratings Part number 72CPQ030 V Max. DC Reverse Voltage (V) R 30 Max. Working Peak Reverse Voltage (V) V RWM Absolute Maximum Ratings Parameters 72CPQ Units Conditions I Max. Average Forward (Per Leg) 35 A 50% duty cycle T = 125C, rectangular wave form F(AV) C Current * See Fig. 5 (Per Device) 70 Following any rated I Max. Peak One Cycle Non-Repetitive 2180 5s Sine or 3s Rect. pulse FSM load condition and with A rated V applied Surge Current (Per Leg) * See Fig. 7 600 10ms Sine or 6ms Rect. pulse RRM E Non-Repetitive Avalanche Energy 27 mJ T = 25 C, I = 6 Amps, L = 1.5 mH AS J AS (Per Leg) Repetitive Avalanche Current 6 A Current decaying linearly to zero in 1 sec I AR (Per Leg) Frequency limited by T max. V = 1.5 x V typical J A R Electrical Specifications Parameters 72CPQ Units Conditions Max. Forward Voltage Drop 0.51 V 35A V FM T = 25 C J (Per Leg) * See Fig. 1 (1) 0.61 V 70A 0.43 V 35A T = 125 C J 0.58 V 70A I Max. Reverse Leakage Current 1.9 mA T = 25 C RM J V = rated V R R (Per Leg) * See Fig. 2 (1) 450 mA T = 125 C J V Threshold Voltage 0.25 V T = T max. F(TO) J J r Forward Slope Resistance 4.70 m t C Max. Junction Capacitance (Per Leg) 4600 pF V = 5V , (test signal range 100Khz to 1Mhz) 25C T R DC L Typical Series Inductance (Per Leg) 7.5 nH Measured lead to lead 5mm from package body S dv/dt Max. Voltage Rate of Change 10,000 V/ s (Rated V ) R (1) Pulse Width < 300s, Duty Cycle <2% Thermal-Mechanical Specifications Parameters 72CPQ Units Conditions T Max. Junction Temperature Range -55 to 150 C J T Max. Storage Temperature Range -55 to 150 C stg Max. Thermal Resistance Junction 0.8 C/W DC operation R thJC to Case (Per Leg) * See Fig. 4 R Max. Thermal Resistance Junction 0.4 C/W DC operation thJC to Case (Per Package) R Typical Thermal Resistance, Case 0.25 C/W Mounting surface , smooth and greased thCS to Heatsink wt Approximate Weight 6 (0.21) g (oz.) T Mounting Torque Min. 6 (5) Kg-cm (Ibf-in) Max. 12 (10) Case Style TO-247AC(TO-3P) JEDEC 2 www.irf.com